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Finding the Fourth Proportional to 37,808.93, 52,173.22 and 21,894.41

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Solution

The fourth proportional to 37,808.93, 52,173.22 and 21,894.41 is: 30,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.93 : 52,173.22 = 21,894.41 : x
  2. Step 2: Convert to fraction form
    37,808.93/52,173.22 = 21,894.41/x
  3. Step 3: Cross multiply
    37,808.93x = 52,173.22 × 21,894.41
  4. Step 4: Simplify right side
    37,808.93x = 1,142,301,869.70
  5. Step 5: Solve for x
    x = 1,142,301,869.70/37,808.93
  6. Step 6: Final answer
    x = 30,212.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.